He is surprised __________that there are 54 ethnic groups in our country. A. to understand B. to study C. to know D. find
He is surprised __________that there are 54 ethnic groups in our country.
A. to understand
B. to study
C. to know
D. find
Đáp án: C
Giải thích: Cụm từ: be surprised to + V ( bất ngờ khi làm gì)
Dịch: Ông ấy ngạc nhiên khi biết rằng có 54 dân tộc ở nước ta.